Install Maven Script

install_maven.sh

JAVA_VERSION=1.8
MAVEN_DIR=`pwd`/maven
MAVEN_FILE=apache-maven-3.3.9-bin.tar.gz
MAVEN_URL=http://www.eu.apache.org/dist/maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.tar.gz

printf "Checking JRE..\n"
JRE_VERSION=`java -version 2>&1 >/dev/null |grep "1.8" |grep $JAVA_VERSION`
if [ -n "$JRE_VERSION" ]; then
  printf "Installed: $JRE_VERSION\n"
else
  printf "JDK $JAVA_VERSION is not installed yet, trying to install using yum\n"
  su -c "yum -y install java-1.8.0-openjdk"
fi


printf "Start install Apache Maven..\n"
maven_version=`mvn -version | grep "Apache Maven" | cut -d'(' -f1 `
if [ -n "$maven_version" ]; then
  printf "Maven is already installed: $maven_version\n"
else
  if [ ! -f ./$MAVEN_FILE ]; then
    printf "Download Apache Maven...\n"
    curl -O $MAVEN_URL
  fi
  if [ ! -d $MAVEN_DIR ]; then
    mkdir -p $MAVEN_DIR
  fi

  printf "Extracting Apache Maven package...\n"
  tar zxvf $MAVEN_FILE -C $MAVEN_DIR
  if [ ! -h $MAVEN_DIR/maven ]; then
    ln -s $MAVEN_DIR/apache-maven-3.3.9 $MAVEN_DIR/maven
  fi


  if [[ ! $(grep maven /etc/profile) ]]; then
    printf "Adding Maven to PATH \n"
    cat >> /etc/profile << __EOF__
fi
PATH=\$PATH:$MAVEN_DIR/bin
export PATH
__EOF__

    source /etc/profile
  fi